n. means by which something is accomplished; means of expression; channel of communication; middle man, intermediary; substance or environment through which something is affected; broker; psychic (Spiritual)
adj. intermediate in size or degree, not to an extreme; mediocre
n. medium, intermediary, substance or environment through which something is affected; channels of mass communication; psychic, (Spiritual) person who can communicate with the spirit world

noun: an intervening substance through which signals can travel as a means for communication noun: a means or instrumentality for storing or communicating information noun: transmissions that are disseminated widely to the public noun: the surrounding environment Example:Fish require an aqueous medium. noun: someone who serves as an intermediary between the living and the dead Example:He consulted several mediums. noun: a state that is intermediate between extremes; a middle position Example: